31742068 has 12 divisors (see below), whose sum is σ = 55782720. Its totient is φ = 15804152.

The previous prime is 31742023. The next prime is 31742083. The reversal of 31742068 is 86024713.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15646 + ... + 17557.

It is an arithmetic number, because the mean of its divisors is an integer number (4648560).

Almost surely, 2^31742068 is an apocalyptic number.

It is an amenable number.

31742068 is a deficient number, since it is larger than the sum of its proper divisors (24040652).

31742068 is a wasteful number, since it uses less digits than its factorization.

31742068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33446 (or 33444 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 31742068 is about 5634.0099396433. The cubic root of 31742068 is about 316.6249050499.

The spelling of 31742068 in words is "thirty-one million, seven hundred forty-two thousand, sixty-eight".